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Founded in 1868, The Royal Astronomical Society of Canada is Canada's leading astronomy organization bringing together over 4,800 enthusiastic amateur astronomers, educators, and professionals.

RASC eNews

Upcoming Local Events

RASC centres across Canada host meetings and observing sessions, open to everyone. Come on out and enjoy an event near you.

Datesort icon RASC Centre Event
Thu, 2015-07-09 Vancouver Monthly Meeting
Fri, 2015-07-10 Mississauga Regular Meeting
Fri, 2015-07-10 Ottawa Public Observing Session
Fri, 2015-08-07 Mississauga Regular Meeting
Fri, 2015-08-07 Ottawa Public Observing Session
Wed, 2015-08-12 Kitchener-Waterloo Perseid Meteor Watch
Fri, 2015-09-04 Mississauga Regular Meeting
Fri, 2015-09-04 Ottawa Public Observing Session
Fri, 2015-09-18 Mississauga Regular Meeting
Sat, 2015-09-26 Kitchener-Waterloo Public Observing Session

This Day in Astronomical History

This Day in Astronomical History


Taurus supernova, 1054.


Pathfinder/Sojourner land on Mars.


Deep Impact lands on Comet 9P/Tempel 1.

Personal Astronomy Blogs

RASC Astronomy Blog

Urban Observing Report—the Go To Experience DChapman 8 weeks 6 days ago
March 11, 2015. Fantastic Night Observing Moonlighter 16 weeks 2 days ago
Comet Lovejoy, Feb 18th Moonlighter 19 weeks 2 days ago
An Astronomical Anecdote WMacDonald 21 weeks 3 days ago
Back to Astronomy After a 28 Year Absence Moonlighter 22 weeks 6 days ago


Today is Sat 4 Jul 2015, JD 2,457,208 (day 185 of 365 this year).